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[Bounding box] Print label in center of generated image. #9

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[Bounding box] Print label in center of generated image. #9

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3 changes: 3 additions & 0 deletions inference-test-tool/Dockerfile
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Original file line number Diff line number Diff line change
Expand Up @@ -9,6 +9,9 @@ RUN cp /usr/lib/python3/dist-packages/gdcm.py /usr/local/lib/python3.7/site-pack
&& cp /usr/lib/python3/dist-packages/_gdcmswig*.so /usr/local/lib/python3.7/site-packages/ \
&& cp /usr/lib/x86_64-linux-gnu/libgdcm* /usr/local/lib/python3.7/site-packages/

# Install fonts
RUN apt-get install -y fonts-open-sans

# Basic env setup
WORKDIR /opt

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14 changes: 10 additions & 4 deletions inference-test-tool/test_inference_boxes.py
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Expand Up @@ -6,7 +6,7 @@
import argparse

import numpy as np
from PIL import Image, ImageDraw
from PIL import Image, ImageDraw, ImageFont
import pydicom
from utils import load_image_data, create_folder, get_pixels

Expand All @@ -29,10 +29,16 @@ def generate_images_with_boxes(images, boxes, output_folder):
ul = box['top_left']
br = box['bottom_right']
points = [tuple(ul), (br[0], ul[1]), tuple(br), (ul[0], br[1]), tuple(ul)]
draw.line(points, fill="red", width=5)

draw.line(points, fill='red', width=5)
# apply label at center of box
label = box['label']
font = ImageFont.truetype('OpenSans-Regular.ttf', (br[1] - ul[1]) // 20)
text_width, text_height = draw.textsize(label, font)
text_position = (ul[0] + (br[0] - ul[0] - text_width) / 2, ul[1] + (br[1] - ul[1] - text_height) / 2)
draw.text(text_position, label, (255, 0, 0), font)

boxes.remove(box)

# write image to output folder
output_filename = os.path.join(output_folder, str(index) + '_' + os.path.basename(os.path.normpath(image.path)))
output_filename += '.png'
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